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Fuel Pump Relay: Inspection

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  1. Check that the fuel pump relay has no deformation, cracks or other damages.
  2. Measure the resistance between fuel pump relay terminals.
    G07909727Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Standard
    1 and 2 1 MΩ or more
    3 and 4 93.8 - 136.4 Ω (when 20°C (68°F))
  3. Connect battery positive terminal to terminal No. 3 and battery ground terminal to terminal No. 4, and measure the resistance between the fuel pump relay terminals.
G06344746Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Standard
1 and 2 Less than 1 Ω
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